Universal receiver
From Wikipedia, the free encyclopedia
A universal receiver is generally a radio receiver that is able to work with different standard transmitters.
In case of home automations, this identify a radio receiver that works with almost any remote control in the market normally, used to open gates, garage doors, traffic barriers, entrance doors, etcetera. In other words, the universal receiver is able to recognize the code transmitted by other standard and not-standard remote controls, and is suitable to replace existing receiver permitting to add new and different remote controls on the automation system.
The first electric garage door opener was created in 1921 by C.G. Johnson. He realized there was a problem with garage doors being in the way when needed to be opened and found a solution that would change the way Americans lift garage doors forever. He called it the "upward lifting garage door." At the time that this invention was made many people were exchanging horses and buggies were begging for a more efficient way to do it. Therefore, C.G. Johnson created the "upward lifting garage door" that lifted up and completely out of the way and would take up no space since it was going up instead of side to side.[1]
